Stainless Steel Marine Grade Double Ended Bolt Snap Hook Silver Color ,Choose From 3 Sizes: 3-1/2',4",4-5/8" (3-1/2") Stainless double ended hook vailable in 3 sizes(length) :3-1/2",4",4-5/8" Marine snap hook made from stainless steel,can be used in a salt water invironment Electronic polished Weight:3-1/2:55g,4":69g,4-5/8":78g Package include:1 piece double ended bolt snap